I Can't Create a Face from Several Circles
This is something that cannot be done in one press of a button or a click of a mouse. You will have to go through and manually create the faces you are wanting. To get triangulated faces, try making them first with quads and then use a Triangulated modifier. Or, if this does not suit you, you can do it manually. If you think about why this is happening for a bit, you should be able to understand why you are getting these results.